Drag and drop the correct diagnostic test for the description.
-❌: Shows hypoxemia (PaO2 <80 mmHg) and respiratory alkalosis (pH >7.45, PaCO2 <38 mmHg) caused by tachypnea and hyperventilation.
-❌: Radiotagged albumin is injected IV and distributed in the lungs by pulmonary blood flow. The lungs are then scanned for distribution of isotope; an area of the lung where it cannot be detected is suggestive of occluded blood flow and pulmonary embolism.
-❌: Shows pulmonary infiltration and, sometimes, pleural effusion.
-❌: A radiotagged gas is inhaled and the lungs are scanned for gas distribution. When in combination with a perfusion lung scan, it can identify areas of the lung that are ventilated but not perfused.
-❌: The PRINCIPAL test used to diagnose PE. Effectively shows large, central pulmonary emboli.
-❌: The DEFINITIVE test for PE when other less invasive tests aren't conclusive. A contrast medium is injected into pulmonary arteries so the pulmonary vascular system can be seen on X-ray. Makes it possible to detect very small emboli.
-❌: Ordered to rule out acute MI. Tachycardia and nonspecific T-wave changes are generally associated with PE.
-❌: Evaluates alveolar perfusion. The normal reading is 35-45 mmHg, but it is decreased when pulmonary perfusion is impaired.
-❌: Highly specific to presence of a thrombus. Tests for a fragment of fibrin formed during lysis of a blood clot. If elevated, it indicates thrombus formation and lysis.
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Arterial blood gas
Arterial blood gas
Perfusion lung scan
Perfusion lung scan
Ventilation lung scan
Ventilation lung scan
Chest CT with contrast
Chest CT with contrast
Pulmonary angiography
Pulmonary angiography
Electrocardiography
Electrocardiography
Plasma D-dimer levels
Plasma D-dimer levels